AirHint found the following cheapest return flights from Cologne (CGN) to Tehran (IKA) in October 2025 (see full year).

Return flights

24 Oct - 21 Nov	Pegasus Airlines
28 Oct - 08 Nov	Pegasus Airlines
28 Oct - 04 Nov	Pegasus Airlines
26 Oct - 04 Nov	Pegasus Airlines
30 Oct - 07 Nov	Pegasus Airlines
27 Oct - 05 Nov	Pegasus Airlines
14 Oct - 19 Oct	Ryanair
03 Oct - 19 Oct	Pegasus Airlines
09 Oct - 19 Oct	AJet
03 Oct - 12 Oct	Pegasus Airlines
01 Oct - 09 Oct	Ryanair
05 Oct - 10 Oct	Pegasus Airlines
07 Oct - 23 Oct	AJet
01 Oct - 12 Oct	Ryanair
07 Oct - 01 Nov	Pegasus Airlines
15 Oct - 19 Oct	Ryanair
13 Oct - 30 Oct	AJet
07 Oct - 10 Nov	AJet
01 Oct - 05 Nov	AJet
06 Oct - 10 Nov	AJet

Also check the deals for one-way flights from Cologne to Tehran in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Cologne to Tehran in October from 214€

Return flights